NOT FOR DISSEMINATION IN THE UNITED STATES
OR FOR DISTRIBUTION TO U.S. NEWSWIRE SERVICES
Augusta Closes $30 Million Private Placement with HudBay Minerals
All figures in Canadian dollars
VANCOUVER, B.C., August 27, 2010 - Augusta Resource Corporation (TSX/NYSE Amex: AZC)
(“Augusta” or the “Company”) has closed the approximately $30 million private placement with HudBay
Minerals Inc. (TSX: HBM) (“HudBay”) announced on August 23, 2010.
The transaction comprised 10,905,590 units at $2.75 per unit. Each unit consists of one common share of
Augusta and one half of one common share purchase warrant. Each full warrant is exercisable for one common
share of Augusta at $3.90 per share for a period of 18 months expiring on February 27, 2012. The warrants may
be subject to accelerated expiry in certain circumstances.
HudBay now owns 11.0% of Augusta’s issued and outstanding common shares (13.6% on a fully diluted basis).
This news release does not constitute an offer to sell or a solicitation of an offer to buy any of the
securities in the United States, nor shall there be any sale of the securities in any state in which such offer,
solicitation or sale would be unlawful. The securities, including the common shares to be issued upon the
exercise of the warrants, have not been and will not be registered under the United States Securities Act
of 1933, as amended (the “1933 Act”), or any state securities laws and may not be offered or sold within
the United States or to, or for the account or benefit of, U.S. persons (as defined in Regulation S under
the 1933 Act) absent such registration or an applicable exemption from such registration requirements.
Augusta is a base metals company focused on advancing the Rosemont copper project near Tucson, Arizona.
Rosemont hosts a large copper/molybdenum reserve that may account for about 10% of US copper output once
in production in 2012 (for details refer to www.augustaresource.com ). The exceptional experience and strength